APA (7th ed.) Citation

Heys, W. B., & Wood, C. A. (1997). Using PowerBuilder 6 (Special ed.). Que.

Chicago Style (17th ed.) Citation

Heys, William B., and Charles A. Wood. Using PowerBuilder 6. Special ed. Indianapolis, Ind.: Que, 1997.

MLA (9th ed.) Citation

Heys, William B., and Charles A. Wood. Using PowerBuilder 6. Special ed. Que, 1997.